Picture frame



FIG. 1 is a front perspective view of a picture frame showing one embodiment of my new design;

FIG. 2 is the front perspective view of a picture frame of FIG. 1 illustrating a picture or photo in the picture frame;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a right side view thereof which is essentially identical to the left side view thereof;

FIG. 6 is a cross-sectional side view thereof taken along line 6-6 in FIG. 3;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines show portions of a picture or photo which form no part of the claimed design. 

CLAIM The ornamental design for a picture frame, substantially as shown and described. 